sh: Trivial fix for hp6xx build.

The IRQ3 define was removed when asm-sh/irq.h was cleaned up,
this updates the hp6xx header to use the IRQ number directly.
Signed-off-by: Kristoffer Ericson <kristoffer_e1@hotmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

include/asm-sh/hp6xx.h

@@ -10,9 +10,9 @@
  *
  */
 
-#define HP680_BTN_IRQ		IRQ0_IRQ
-#define HP680_TS_IRQ		IRQ3_IRQ
-#define HP680_HD64461_IRQ	IRQ4_IRQ
+#define HP680_BTN_IRQ		32            /* IRQ0_IRQ */
+#define HP680_TS_IRQ		35            /* IRQ3_IRQ */
+#define HP680_HD64461_IRQ	36            /* IRQ4_IRQ */
 
 #define DAC_LCD_BRIGHTNESS	0
 #define DAC_SPEAKER_VOLUME	1